(19)

(11)

EP 3 993 643 A1

(12)

(43) Date of publication: 11.05.2022 Bulletin 2022/19 (21) Application number: 20734959.8 (22) Date of filing: 01.07.2020

(51) International Patent Classification (IPC):  A23L 7/25(2016.01) A23L 7/152(2016.01) A23L 7/135(2016.01) (52) Cooperative Patent Classification (CPC): A23L 7/25; A23L 7/135; A23L 7/152; A23L 29/35 (86) International application number: PCT/EP2020/068460 (87) International publication number: WO 2021/001401 (07.01.2021 Gazette 2021/01)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 01.07.2019 EP 19183562 04.07.2019 EP 19184286 (71) Applicant: Katholieke Universiteit Leuven 3000 Leuven (BE)	(72) Inventors: DELCOUR, Jan 3001 Heverlee (BE) LEMMENS, Elien 3211 Binkom (BE) DE BRIER, Niels 3001 Heverlee (BE) DELEU, Lomme 9140 Steendorp (BE) (74) Representative: Arnold & Siedsma  Bezuidenhoutseweg 57 2594 AC The Hague 2594 AC The Hague (NL)